Merge pull request #5562 from jrusso1020/jrusso/fixes-part-of-5535

Close eventstreams upon completion

plugins/scaffolder/src/api.ts

@@ -214,6 +214,7 @@ export class ScaffolderClient implements ScaffolderApi {
                 subscriber.error(ex);
               }
             }
+            eventSource.close();
             subscriber.complete();
           });
           eventSource.addEventListener('error', event => {